W3C IPP Home

W3C Patent Policy Fact Sheet

The statistics below relate to the specifications published since the W3C Patent Policy became operational in February 2004.

Licensing commitments for W3C Specifications produced under the Patent Policy

For each specification, we list the number of W3C Members (not Team or Invited Experts) who have made the Royalty-Free licensing commitments of the W3C Patent Policy for that specification. Each entry also links to a page with more details about the licensing commitments, disclosures, and patent exclusions for that specification.

Summary as of 29 November 2006:

Specification Delivered by Number of licensing commitments
from W3C Members
Advanced XML Schema Patterns for Databinding Version 1.0 XML Schema Patterns for Databinding Working Group (IPP status) 6 commitments from the XML Schema Patterns for Databinding Working Group
Authoring Tool Accessibility Guidelines 2.0 Authoring Tool Accessibility Guidelines Working Group (IPP status) 6 commitments from the Authoring Tool Accessibility Guidelines Working Group
Authorizing Read Access to XML Content Using the <?access-control?> Processing Instruction 1.0 Web Application Formats Working Group (IPP status) 15 commitments from the Web Application Formats Working Group
CSS Namespace Enhancements (Proposal) Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 Advanced Layout Module Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 Backgrounds and Borders Module Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 Generated and Replaced Content Module Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 Hyperlink Presentation Module Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 Paged Media Module Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 Speech Module Voice Browser Working Group (IPP status) 38 commitments from the Voice Browser Working Group
CSS3 Text Effects Module Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 Values and Units Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 module: Border Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 module: Cascading and inheritance Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 module: Fonts Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 module: Generated Content for Paged Media Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 module: Lists Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 module: Multi-column layout Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 module: Presentation Levels Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 module: Syntax Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 module: The box model Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
CSS3 module: line Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
Canonical XML 1.1 XML Core Working Group (IPP status) 7 commitments from the XML Core Working Group
Cascading Style Sheets, level 2 revision 1 Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
Character Model for the World Wide Web 1.0: Normalization Internationalization Core Working Group (IPP status) 7 commitments from the Internationalization Core Working Group
Clipboard Operations for the Web 1.0: Copy, Paste, Drag and Drop. Web APIs Working Group (IPP status) 16 commitments from the Web APIs Working Group
Compound Document Framework 1.0 and WICD Profiles Compound Document Formats Working Group (IPP status) 20 commitments from the Compound Document Formats Working Group
Compound Document by Reference Framework 1.0 Compound Document Formats Working Group (IPP status) 20 commitments from the Compound Document Formats Working Group
Content Selection Primer 1.0 Device Independence Working Group (IPP status) 11 commitments from the Device Independence Working Group
Content Selection for Device Independence (DISelect) 1.0 Device Independence Working Group (IPP status) 11 commitments from the Device Independence Working Group
DIAL Part 0: Primer Device Independence Working Group (IPP status) 11 commitments from the Device Independence Working Group
Delivery Context: Interfaces (DCI) Accessing Static and Dynamic Properties Device Independence Working Group (IPP status) 11 commitments from the Device Independence Working Group
Delivery Context: XPath Access Functions 1.0 Device Independence Working Group (IPP status) 11 commitments from the Device Independence Working Group
Device Independent Authoring Language (DIAL) Device Independence Working Group (IPP status) 11 commitments from the Device Independence Working Group
Document Object Model (DOM) Level 3 Events Specification Web APIs Working Group (IPP status) 16 commitments from the Web APIs Working Group
Document Object Model (DOM) Level 3 XPath Specification SVG Working Group (IPP status) 23 commitments from the SVG Working Group
EMMA: Extensible MultiModal Annotation markup language Multimodal Interaction Working Group (IPP status) 30 commitments from the Multimodal Interaction Working Group
Evaluation and Report Language (EARL) 1.0 Schema Evaluation & Repair Tools Working Group (IPP status) 9 commitments from the Evaluation & Repair Tools Working Group
Extensible Stylesheet Language (XSL) Version 1.1 XSL Working Group (IPP status) 13 commitments from the XSL Working Group
File Upload Web APIs Working Group (IPP status) 16 commitments from the Web APIs Working Group
GRDDL Primer GRDDL Working Group (IPP status) 8 commitments from the GRDDL Working Group
GRDDL Use Cases: Scenarios of extracting RDF data from XML documents GRDDL Working Group (IPP status) 8 commitments from the GRDDL Working Group
Gleaning Resource Descriptions from Dialects of Languages (GRDDL) GRDDL Working Group (IPP status) 8 commitments from the GRDDL Working Group
Ink Markup Language Multimodal Interaction Working Group (IPP status) 30 commitments from the Multimodal Interaction Working Group
Internationalization Tag Set (ITS) Internationalization Tag Set (ITS) Working Group (IPP status) 8 commitments from the Internationalization Tag Set (ITS) Working Group
Internationalization and Localization Markup Requirements Internationalization Tag Set (ITS) Working Group (IPP status) 8 commitments from the Internationalization Tag Set (ITS) Working Group
Language Tags and Locale Identifiers for the World Wide Web Internationalization Core Working Group (IPP status) 7 commitments from the Internationalization Core Working Group
Media Access Events SVG Working Group (IPP status) 23 commitments from the SVG Working Group
Mobile SVG Profile: SVG Tiny, Version 1.2 SVG Working Group (IPP status) 23 commitments from the SVG Working Group
Multimodal Architecture and Interfaces Multimodal Interaction Working Group (IPP status) 30 commitments from the Multimodal Interaction Working Group
Pronunciation Lexicon Specification (PLS) Version 1.0 Voice Browser Working Group (IPP status) 38 commitments from the Voice Browser Working Group
RDF Data Access Use Cases and Requirements RDF Data Access Working Group (IPP status) 24 commitments from the RDF Data Access Working Group
Remote Events for XML (REX) 1.0 SVG Working Group (IPP status) Web APIs Working Group (IPP status) 23 commitments from the SVG Working Group,16 commitments from the Web APIs Working Group
SPARQL Protocol for RDF RDF Data Access Working Group (IPP status) 24 commitments from the RDF Data Access Working Group
SPARQL Query Language for RDF RDF Data Access Working Group (IPP status) 24 commitments from the RDF Data Access Working Group
SPARQL Query Results XML Format RDF Data Access Working Group (IPP status) 24 commitments from the RDF Data Access Working Group
SVG Print SVG Working Group (IPP status) 23 commitments from the SVG Working Group
SVG's XML Binding Language (sXBL) SVG Working Group (IPP status) 23 commitments from the SVG Working Group
Scalable Vector Graphics (SVG) 1.2 SVG Working Group (IPP status) 23 commitments from the SVG Working Group
Selectors Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
Selectors API Web APIs Working Group (IPP status) 16 commitments from the Web APIs Working Group
Semantic Annotations for WSDL Semantic Annotations for WSDL Working Group (IPP status) 12 commitments from the Semantic Annotations for WSDL Working Group
Semantic Interpretation for Speech Recognition Voice Browser Working Group (IPP status) 38 commitments from the Voice Browser Working Group
State Chart XML (SCXML): State Machine Notation for Control Abstraction 1.0 Voice Browser Working Group (IPP status) 38 commitments from the Voice Browser Working Group
Synchronized Multimedia Integration Language (SMIL 2.1) SYMM Working Group (IPP status) 12 commitments from the SYMM Working Group
The CSS 'Reader' Media Type Cascading Style Sheets (CSS) Working Group (IPP status) 17 commitments from the Cascading Style Sheets (CSS) Working Group
The XMLHttpRequest Object Web APIs Working Group (IPP status) 16 commitments from the Web APIs Working Group
Understanding WCAG 2.0 Web Content Accessibility Guidelines Working Group (IPP status) 20 commitments from the Web Content Accessibility Guidelines Working Group
Voice Browser Call Control: CCXML Version 1.0 Voice Browser Working Group (IPP status) 38 commitments from the Voice Browser Working Group
Voice Extensible Markup Language (VoiceXML) 2.1 Voice Browser Working Group (IPP status) 38 commitments from the Voice Browser Working Group
W3C mobileOK Basic Tests 1.0 Mobile Web Best Practice Working Group (IPP status) 38 commitments from the Mobile Web Best Practice Working Group
W3C mobileOK Scheme 1.0 Mobile Web Best Practice Working Group (IPP status) 38 commitments from the Mobile Web Best Practice Working Group
WICD Full 1.0 Compound Document Formats Working Group (IPP status) 20 commitments from the Compound Document Formats Working Group
WICD Mobile 1.0 Compound Document Formats Working Group (IPP status) 20 commitments from the Compound Document Formats Working Group
Web Content Accessibility Guidelines 2.0 Web Content Accessibility Guidelines Working Group (IPP status) 20 commitments from the Web Content Accessibility Guidelines Working Group
Web Forms 2.0 Web Application Formats Working Group (IPP status) 15 commitments from the Web Application Formats Working Group
Web Services Addressing - Core Web Services Addressing Working Group (IPP status) 22 commitments from the Web Services Addressing Working Group
Web Services Addressing - SOAP Binding Web Services Addressing Working Group (IPP status) 22 commitments from the Web Services Addressing Working Group
Web Services Addressing - WSDL Binding Web Services Addressing Working Group (IPP status) 22 commitments from the Web Services Addressing Working Group
Web Services Internationalization (WS-I18N) Internationalization Core Working Group (IPP status) 7 commitments from the Internationalization Core Working Group
Web Services Policy 1.5 - Attachment Web Services Policy Working Group (IPP status) 20 commitments from the Web Services Policy Working Group
Web Services Policy 1.5 - Framework Web Services Policy Working Group (IPP status) 20 commitments from the Web Services Policy Working Group
Web Services Policy 1.5 - Primer Web Services Policy Working Group (IPP status) 20 commitments from the Web Services Policy Working Group
WebCGM 2.0 WebCGM Working Group (IPP status) 4 commitments from the WebCGM Working Group
Widgets 1.0 Web Application Formats Working Group (IPP status) 15 commitments from the Web Application Formats Working Group
Window Object 1.0 Web APIs Working Group (IPP status) 16 commitments from the Web APIs Working Group
XML Binding Language (XBL) 2.0 Web Application Formats Working Group (IPP status) 15 commitments from the Web Application Formats Working Group
XML Linking Language (XLink) Version 1.1 XML Core Working Group (IPP status) 7 commitments from the XML Core Working Group
XML Path Language (XPath) 2.0 XML Query Working Group (IPP status) XSL Working Group (IPP status) 19 commitments from the XML Query Working Group,13 commitments from the XSL Working Group
XML Path Language (XPath) 2.0 XML Query Working Group (IPP status) 19 commitments from the XML Query Working Group
XML Query 1.0 and XPath 2.0 Full-Text XML Query Working Group (IPP status) XSL Working Group (IPP status) 19 commitments from the XML Query Working Group,13 commitments from the XSL Working Group
XML Query Use Cases XML Query Working Group (IPP status) 19 commitments from the XML Query Working Group
XML Schema 1.1 Part 1: Structures XML Schema Working Group (IPP status) 14 commitments from the XML Schema Working Group
XML Schema 1.1 Part 2: Datatypes XML Schema Working Group (IPP status) 14 commitments from the XML Schema Working Group
XML Schema Patterns for Common Data Structures Version 1.0 XML Schema Patterns for Databinding Working Group (IPP status) 6 commitments from the XML Schema Patterns for Databinding Working Group
XML Schema: Component Designators XML Schema Working Group (IPP status) 14 commitments from the XML Schema Working Group
XML Schema: Formal Description XML Schema Working Group (IPP status) 14 commitments from the XML Schema Working Group
XML Syntax for XQuery 1.0 (XQueryX) XML Query Working Group (IPP status) 19 commitments from the XML Query Working Group
XProc: An XML Pipeline Language XML Processing Model Working Group (IPP status) 6 commitments from the XML Processing Model Working Group
XQuery 1.0 and XPath 2.0 Data Model XML Query Working Group (IPP status) XSL Working Group (IPP status) 19 commitments from the XML Query Working Group,13 commitments from the XSL Working Group
XQuery 1.0 and XPath 2.0 Formal Semantics XML Query Working Group (IPP status) XSL Working Group (IPP status) 19 commitments from the XML Query Working Group,13 commitments from the XSL Working Group
XQuery 1.0 and XPath 2.0 Full-Text Use Cases XSL Working Group (IPP status) 13 commitments from the XSL Working Group
XQuery 1.0 and XPath 2.0 Functions and Operators XML Query Working Group (IPP status) XSL Working Group (IPP status) 19 commitments from the XML Query Working Group,13 commitments from the XSL Working Group
XQuery 1.0: An XML Query Language XML Query Working Group (IPP status) 19 commitments from the XML Query Working Group
XQuery Update Facility XML Query Working Group (IPP status) 19 commitments from the XML Query Working Group
XQuery Update Facility Use Cases XML Query Working Group (IPP status) 19 commitments from the XML Query Working Group
XSL Transformations (XSLT) Version 2.0 XSL Working Group (IPP status) 13 commitments from the XSL Working Group
XSLT 2.0 and XQuery 1.0 Serialization XML Query Working Group (IPP status) XSL Working Group (IPP status) 19 commitments from the XML Query Working Group,13 commitments from the XSL Working Group
xml:id Version 1.0 XML Core Working Group (IPP status) 7 commitments from the XML Core Working Group

Note: All actions carried out through this system are reported by email to the relevant parties; copies are sent to w3c-archive@w3.org (Member-readable archive).


Developed and maintained by Dominique Hazaël-Massieux (dom@w3.org).
$Id: fact-sheet.php,v 1.190 2006/02/22 09:32:32 dom Exp $
Please send bug reports and request for enhancements to dom@w3.org